Batteries not required.
New systems will use your cell phone to tell if your food is fresh
Dogs are the best bomb detectors we have. Can scientists do better?
PopSci thought experiment: If we were to make a famous building today, what would we do differently? Two architects and a civil engineer weigh in.
Ten amazing projects built by teens.
John Kanzius's treatment uses radio waves and nanoparticles to zap cancerous tumors. See it in action
Materials science: Searching for coatings that change colors and touch themselves up.
"Thermopower waves" could be a brand-new way to produce electricity
The biggest sheet of nanotubing holds promise, but is it strong enough to one day lift a space elevator?
New study suggests that workers developing some common forms of nanotechnology may be exposed to health risks
Such membranes have potential for water desalinatization and other advanced filtering.
Researchers develop nanotubes that can help circuits repair critical breaks
Silicon can't keep up with our demand for smaller and faster chips, but IBM researchers may have found a way to continue accelerating chip performance with a whole new kind of transistor.
Behold, the worldâ€™s smallest broom!
"We made carbon nanotubes that are blacker than anything else."
Therapeutic ultrasound can now blast and cut with targeted precision.
"Water can slide off like ketchup."
Scientists invent super-smooth, super-small pipes that could ferry medicine into the body
Listening to lysozymes with one of the smallest transistors ever made
Once upon a time, the mantra for scientific success was "Think big." Nowadays, it's all about the ongoing mission to make things really, really small. Here, a look at the latest in Lilliputian developments
Paves way for better nanomedicine as well as remediation of nanotoxic events
Ever-tinier pixels mean ever-higher resolutions and a wider angle of view for the holographic systems of the future.
While their peers worry about zits, these rising young stars are designing lunar bioreactors and new cancer drugs. What did you accomplish before turning 18? Meet our eight future Edisons here
Helping radical scientific advances break out of the lab
If only I could make my neighbors feed me so easily
Whatever did happen to yesterday's beloved technologies of tomorrow?
Scientists forge the darkest matter ever created by humans
John Kanzius, the Florida-based inventor whose cancer-curing machine we awarded a PopSci Invention Award last year, passed away last Wednesday
Buckminsterfullerene buckyballs become buckybombs
This material is 100 times lighter than styrofoam--but it's also really strong!
What's big in what's small
Conceptual shelters that will protect us all from the perils of our rapidly changing environment: rising waters, extreme heat, rampant pollution and overpopulation
Self-repairing computers! Electronic skin! Bat-wing planes! A look at the amazing stuff that's changing the world.
It can transmit different amounts of pressure, just like real skin
Apparently a molecule under pressure violates the laws of classical physics
Experts go head to head on the issue of nanotech safety
In the global race to reduce carbon emissions, these eco-minded communities, from Kansas to the Maldives, lead the pack. Here's how they're making their carbon footprints disappear
A state-by-state breakdown of policies that could change your community.
To rescue the Earth, we need bold engineering ideas that go beyond simple recycling
Accurate to one yoctogram
Cheaper, plant-based carbon fiber could be used to make lighter cars that consume less fuel.
New technology produces energy from fuel without burning it
More than 50 of the most dangerous, disgusting, humiliating and just plain bad professions
PopSci's vision for making travel faster, greener, and more fun
Looking for a clean fuel that grows anywhere, needs only sunlight and water, and could produce enough oil to free the U.S. from its petroleum addiction? Here´s one start-up's plan for converting oil from algae-yes, algae
Amazon's MatchBook service makes getting a printed book/Kindle copy bundle cheaper. But that takes us backward, environmentally speaking.
Even if we tap every renewable power source available, it won't mean a thing without a final, crucial step: reinventing the grid
When it's 115 degrees in March, it might take a Hail Mary of a solution to help us
As climate change intensifies, architects, designers, and scientists are devising better ways to deal with almost anything nature throws our way.
Like Darpa on the military side, the new agency for stoking energy innovation awards $151 million to big ideas
After I die, I donâ€™t want to rot slowly six feet under or be reduced to a pile of ashes. Can you suggest any unusual alternatives to burial or cremation?
Joseph Longo's Plasma Converter turns our most vile and toxic trash into clean energyâ€”and promises to make a relic of the landfill
A 21st century electric-car revival is under way. But the first challenge—building a cheap, safe, powerful battery—is the hardest
Gas prices are up, fuel economy is downâ€”but the brightest minds in auto technology are about to do something about it
Arun Majumdar has to decide which researchers will get millions of dollars, and he has to do it fast. He must spark an energy revolution within 20 years, or it's lights out for us all.
Popular Science is inside the U.N., where 150 heads of state are talking global warming. Will they put momentum behind an international treaty in 2015?
Seeding the seas or the skies to dial down the planet's temperature
2011 is shaping up to be a great year for science. Here's what to look forward to
Ten of the brightest minds in science fiction imagine how we will live—on Earth and beyond—in the decades and centuries to come.
Microbial manufacturing is about to go mainstream
PopSci tackles life's whys, hows and who-dunnits in this Q&A-style; feature
Steven Chu, the new U.S. secretary of energy, is a Nobel-winning physicist and an unabashed advocate of fighting climate change. But can he negotiate the political realities of transforming the energy economy?
Alan Burns made a fortune in the oil business. But as oil wanes, he's convinced that clean energy will be—must be—the next big thing. And so this inventor has poured his fortune into a challenge far greater than finding new oil deposits: extracting energy from the ocean
Our dependence on big systems--big oil, big coal--steers us away from little ones, such as biofuel made from garbage, that are transforming communities in other countries
A carbon tax would make companies think harder about using fossil fuels, which spur rising acidity in the seas
Dangerous fumes from an African lake could be the fuel of tomorrow
Do big investments from an oil refiner and a trash hauler mean Enerkem is close to cracking the code?
One of the many amazing inventions that came about by accident.
We spoke to candidates with science backgrounds from across the political spectrum